发明名称 |
Method for generating a pseudo-signal in an error rate supervisory unit and circuit for carrying out the same |
摘要 |
A method and circuit for generating a pseudo-error signal comprising a demodulator circuit for demodulating an input signal; a first discriminator circuit for regenerating a first digital data signal by discriminating the output of the demodulator circuit; a noise extracting means for extracting a noise component from the input signal; an adding circuit for adding the output of the noise extracting means and the output of the demodulator circuit; a second discriminator circuit for regenerating a second digital data signal by discriminating the output of the adding circuit, and; an exclusive OR circuit for recognizing whether or not the first digital data signal coincides with the second digital data signal.
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申请公布号 |
US4247938(A) |
申请公布日期 |
1981.01.27 |
申请号 |
US19790040408 |
申请日期 |
1979.05.18 |
申请人 |
FUJITSU LIMITED |
发明人 |
KURIHARA, HIROSHI;KATOH, TADAYOSHI;TAKENAKA, SADAO |
分类号 |
H04L1/00;G06F7/58;H03K3/84;H04L1/24;H04L27/00;(IPC1-7):H04B17/00;G06F11/00 |
主分类号 |
H04L1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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